Midterm Review

The function f is defined by f(x) = 3x² + 4x
What is the function defined by f(x - 3)

• 15
• 2x - 8
• 3x² - 14x +15
• 3x² -2x +7

Tags

CCSS.HSF.BF.B.3

What solution(s) does the following equation have?

• X = 0
• X = -3
• X = 3
• X = 9

Tags

CCSS.HSA-REI.B.4B

What is the parent function?

• absolute value

• quadratic

• cubic

• linear

How did this graph transform?

• compressed by 1/2, right 2 units, down 3 units

• compressed by 1/2, left 2 units, down 3 units

• compressed by 1/2, right 3 units, down 2 units

• compressed by 1/2, right 2 units, up 3 units

What is the increasing interval?

• $\left(-\infty,\ \infty\right)$

• $\left(-\infty,\ -3\right)$

• $\left(-3,\ \infty\right)$

• $\left(-2,\ \infty\right)$

What is the decreasing interval?

•  $\left(-\infty,\ -3\right)$ 

•  $\left(-\infty,\ -2\right)$ 

• $\left(-3,\ \infty\right)$

•  $\left(-2,\ \infty\right)$ 

Tags

CCSS.HSF-IF.C.7A

What is the average rate of change for
 $f\left(x\right)\ =\ x^2\ +\ 1$  over  $\left[-1,\ 2\right]$  

• 1

• 2

• 3

• -3

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i
• 63 - 24i  - 12i²
• 51 - 24i
• 58 + 60i

Tags

CCSS.HSN.CN.A.2

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

f(x) = 3x + 10
g(x) = x - 2
Find f(g(x))

• 3x² - 2
• 3x + 8
• 3x + 4
• None of these.

Tags

CCSS.HSF-BF.A.1C